rename vpp-dpdk-dev to vpp-ext-deps

We need to have new tenants in the development package.
This is first of series of patches which will allow us to have multiple
external libs and tools packaged for developer's convenience.

Change-Id: I884bd75fba96005bbf8cea92774682b2228e0e22
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/build-data/packages/build.mk b/build-data/packages/build.mk
new file mode 100644
index 0000000..7836ce2
--- /dev/null
+++ b/build-data/packages/build.mk
@@ -0,0 +1,12 @@
+# Copyright (c) 2015 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/build-data/packages/dpdk.mk b/build-data/packages/external.mk
similarity index 88%
rename from build-data/packages/dpdk.mk
rename to build-data/packages/external.mk
index ab2e39a..07daac0 100644
--- a/build-data/packages/dpdk.mk
+++ b/build-data/packages/external.mk
@@ -11,6 +11,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+external_source = build
+
 ifneq (,$(findstring debug,$(TAG)))
 	DPDK_DEBUG=y
 else
@@ -42,8 +44,8 @@
 DPDK_MAKE_ARGS += DPDK_MAKE_EXTRA_ARGS="$(DPDK_MAKE_EXTRA_ARGS)"
 endif
 
-dpdk_configure = echo
+external_configure = echo
 
-dpdk_make_args = $(DPDK_MAKE_ARGS) ebuild-build
+external_make_args = $(DPDK_MAKE_ARGS) -C external ebuild-build
 
-dpdk_install =  make $(DPDK_MAKE_ARGS) ebuild-install
+external_install =  make $(DPDK_MAKE_ARGS) -C external ebuild-install
diff --git a/build-data/packages/vpp.mk b/build-data/packages/vpp.mk
index 9980c66..185a4ef 100644
--- a/build-data/packages/vpp.mk
+++ b/build-data/packages/vpp.mk
@@ -19,18 +19,22 @@
 CMAKE?=cmake
 endif
 
+vpp_cmake_prefix_path  = /opt/vpp/external/$(shell uname -m)
+vpp_cmake_prefix_path += $(PACKAGE_INSTALL_DIR)external
+vpp_cmake_prefix_path := $(subst $() $(),;,$(vpp_cmake_prefix_path))
+
 vpp_cmake_args ?=
 vpp_cmake_args += -DCMAKE_INSTALL_PREFIX:PATH=$(PACKAGE_INSTALL_DIR)
 vpp_cmake_args += -DCMAKE_C_FLAGS="$($(TAG)_TAG_CFLAGS)"
 vpp_cmake_args += -DCMAKE_LINKER_FLAGS="$($(TAG)_TAG_LDFLAGS)"
-vpp_cmake_args += -DCMAKE_PREFIX_PATH:PATH="$(PACKAGE_INSTALL_DIR)/../dpdk"
+vpp_cmake_args += -DCMAKE_PREFIX_PATH:PATH="$(vpp_cmake_prefix_path)"
 
 # Use devtoolset on centos 7
 ifneq ($(wildcard /opt/rh/devtoolset-7/enable),)
 vpp_cmake_args += -DCMAKE_PROGRAM_PATH:PATH="/opt/rh/devtoolset-7/root/bin"
 endif
 
-vpp_configure_depend += dpdk-install
+vpp_configure_depend += external-install
 vpp_configure = \
   cd $(PACKAGE_BUILD_DIR) && \
   $(CMAKE) -G Ninja $(vpp_cmake_args) $(call find_source_fn,$(PACKAGE_SOURCE))